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S44635 Stainless Steel vs. C18200 Copper

S44635 stainless steel belongs to the iron alloys classification, while C18200 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S44635 stainless steel and the bottom bar is C18200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
120
Elongation at Break, % 23
11 to 40
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 81
44
Shear Strength, MPa 450
210 to 320
Tensile Strength: Ultimate (UTS), MPa 710
310 to 530
Tensile Strength: Yield (Proof), MPa 580
97 to 450

Thermal Properties

Latent Heat of Fusion, J/g 300
210
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1460
1080
Melting Onset (Solidus), °C 1420
1070
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 16
320
Thermal Expansion, µm/m-K 11
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
80
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
81

Otherwise Unclassified Properties

Base Metal Price, % relative 22
31
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 4.4
2.6
Embodied Energy, MJ/kg 62
41
Embodied Water, L/kg 170
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
43 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 810
40 to 860
Stiffness to Weight: Axial, points 15
7.3
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 25
9.6 to 16
Strength to Weight: Bending, points 23
11 to 16
Thermal Diffusivity, mm2/s 4.4
93
Thermal Shock Resistance, points 23
11 to 18

Alloy Composition

Carbon (C), % 0 to 0.025
0
Chromium (Cr), % 24.5 to 26
0.6 to 1.2
Copper (Cu), % 0
98.6 to 99.4
Iron (Fe), % 61.5 to 68.5
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 3.5 to 4.5
0
Nickel (Ni), % 3.5 to 4.5
0
Niobium (Nb), % 0.2 to 0.8
0
Nitrogen (N), % 0 to 0.035
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.75
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0.2 to 0.8
0